feat(wallet): wallet-server HTTP API and web dapp

.github/workflows/unit-tests.yml

@@ -45,7 +45,6 @@ jobs:
           cargo +nightly-2025-07-14 test -p tzel-verifier --lib
           cargo test --lib -p tzel-services
           cargo test --test integration -p tzel-services
-          cargo test --test cross_impl_interop -p tzel-services
           cargo test --manifest-path services/tzel/Cargo.toml --bin tzel-operator
           cargo +nightly-2025-07-14 test -p tzel-rollup-kernel --lib
           cargo +nightly-2025-07-14 test -p tzel-rollup-kernel --test bridge_flow
@@ -70,6 +69,8 @@ jobs:
 
   ocaml:
     runs-on: ubuntu-latest
+    env:
+      LIBRARY_PATH: ${{ github.workspace }}/ocaml/vendor/mlkem-native/test/build
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
@@ -88,5 +89,14 @@ jobs:
         run: |
           opam install -y dune alcotest cstruct ctypes ctypes-foreign hex mirage-crypto yojson
 
+      - name: Build ML-KEM native library
+        run: make -C ocaml/vendor/mlkem-native lib
+
+      - name: Set up Rust stable
+        uses: dtolnay/rust-toolchain@stable
+
       - name: Run OCaml unit tests
-        run: ./scripts/ocaml_unit_tests.sh
+        run: opam exec -- ./scripts/ocaml_unit_tests.sh
+
+      - name: Run cross-implementation interop test
+        run: opam exec -- cargo test --test cross_impl_interop -p tzel-services

apps/wallet/Cargo.toml

@@ -3,10 +3,18 @@ name = "tzel-wallet-app"
 version = "0.1.0"
 edition = "2021"
 
+[lib]
+name = "tzel_wallet_app"
+path = "src/lib.rs"
+
 [[bin]]
 name = "sp-client"
 path = "src/bin/sp-client.rs"
 
+[[bin]]
+name = "wallet-server"
+path = "src/bin/wallet-server.rs"
+
 [[bin]]
 name = "tzel-wallet"
 path = "src/bin/tzel-wallet.rs"

apps/wallet/src/bin/wallet-server.rs

@@ -0,0 +1,3 @@
+fn main() {
+    tzel_wallet_app::wallet_server_entry();
+}